Accident Boeing 727-23F HK-3667X, Saturday 18 November 2006
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Date:Saturday 18 November 2006
Time:21:07
Type:Silhouette image of generic B721 model; specific model in this crash may look slightly different    
Boeing 727-23F
Owner/operator:Aerosucre Colombia
Registration: HK-3667X
MSN: 19430/366
Year of manufacture:1966
Total airframe hrs:66192 hours
Engine model:Pratt & Whitney JT8D-9A
Fatalities:Fatalities: 6 / Occupants: 6
Other fatalities:0
Aircraft damage: Destroyed, written off
Category:Accident
Location:3,7 km N of Leticia-Alfredo Vásquez Cobo Airport (LET) -   Colombia
Phase: Approach
Nature:Cargo
Departure airport:Bogotá-Eldorado Airport (BOG/SKBO)
Destination airport:Leticia-Alfredo Vásquez Cobo Airport (LET/SKLT)
Investigating agency: Aerocivil
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Aerosucre flight 142, a Boeing 727 cargo plane, departed Bogotá at 19:35 hours local time on a flight to Leticia, Colombia. The aircraft carried 13166 kg of cargo, a crew of three and three passengers. Flight time was estimated to be 1 hour and 35 minutes.
While en route at FL270, the crew requested weather information for Leticia. A weather report from 01:00Z showed: wind calm, visibility 10 km, scattered clouds at 1000 feet, temperature 24 deg C.
The flight descended towards Leticia and was cleared for a straight in approach to runway 21. The air traffic controller instructed the flight to report at 3000 feet.
At 20:59 the controller reported that visibility had decreased to 4000 m due to patches of fog. Six minutes later the flight reported at 3000 feet, 9 miles from the airport. The crew requested an increase of the intensity of the runway lights, since there were no approach lights for runway 21. The approach was continued and the flight was cleared to land.
The aircraft descended until it impacted a 150-feet high transmission tower. It then hit trees and broke up.

PROBABLE CAUSE
Performing a flight under instrument conditions attempts to make an approach and landing under visual flight conditions without meeting the minimum requirements for this type of operation.
Performing a visual approach with reduced visibility for a runway without instrument approach procedure, which led to flying below safety minima and having descended to hit a transmission tower of private television channels.
The poorly planned approach and inadequate IFR operation that led to an erroneous judgement of the obstacle clearance margin.
The crew's inability to circumvent the obstacle on the ground by encountering unforeseen circumstances beyond their capacity.

Accident investigation:
cover
  
Investigating agency: Aerocivil
Report number: final report
Status: Investigation completed
Duration:
Download report: Final report

Sources:

Cayó avión de Aerosucre en cercanías del aeropuerto de Leticia (Amazonas) (El Tiempo, 19-11-2006)
Cinco muertos dejó accidente de avión carguero (El Pais, 19-11-2006)
Aeronautica Civil, Informe Preliminar 200628

Statistics

  • 38th worst accident in 2006
  • 23rd worst accident of this aircraft type
  • 22nd worst accident of this aircraft type at the time

Location

Images:


photo (c) Marlo Plate; Santo Domingo-Las Americas Airport (SDQ); 21 December 2003


photo (c) via Werner Fischdick; February 1993


photo (c) via Andy Herzog; Bogotá-Eldorado Airport (BOG/SKBO); 10 January 1993

Revision history:

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